I learned a bit of Datalog back in university, too many years ago. It was impressive how powerful the query language is. You could do in a single line what re

I learned a bit of Datalog back in university, too many years ago. It was impressive how powerful the query language is. You could do in a single line what required several lines of SQL, and far more intuitively. But ... the problem is how many DBs support it, and how useful of a skill it is to know.